1. The scientist was purifying the water.
2. She was boiling the eggs.
3. The cook was roasting the hen.
4. The teacher had done the sums.
5. I will finance you
6. My father will direct me.
7. Our teachers will guide us.
8. The salesman will have sold the book.
9. The headmaster will have hosted the flag.
10. The gardener doesn't pluck the mangoes.
11. Anyone doesn't care the old man.
12. He is not threatening us.
13. She didn't pluck the flowers.
14. Anyone didn't force you to do the work.
15. The milkman was not milking the cow.
16. The student was not working out the sums.
17. They were not calling you.
18. I was not neglecting them.
19. The authority won't load the ship.
20. The police won't send them to jail.